15445142200 has 48 divisors (see below), whose sum is σ = 36265547160. Its totient is φ = 6116880000.

The previous prime is 15445142173. The next prime is 15445142201. The reversal of 15445142200 is 224154451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15445142201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362106 + ... + 402505.

Almost surely, 2^15445142200 is an apocalyptic number.

15445142200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15445142200 is an abundant number, since it is smaller than the sum of its proper divisors (20820404960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15445142200 is a wasteful number, since it uses less digits than its factorization.

15445142200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764728 (or 764719 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 15445142200 its reverse (224154451), we get a palindrome (15669296651).

The spelling of 15445142200 in words is "fifteen billion, four hundred forty-five million, one hundred forty-two thousand, two hundred".